MCP4252T-103E/UN

Introduction

The MCP4252T-103E/UN is a digital potentiometer belonging to the category of integrated circuits. It is commonly used in various electronic devices and systems to provide variable resistance for controlling voltage levels, current flow, and signal attenuation. This component offers unique characteristics, packaging, and quantity options that make it suitable for a wide range of applications.

Basic Information Overview

• Category: Integrated Circuit
• Use: Provides variable resistance for voltage control, current flow, and signal attenuation in electronic devices and systems.
• Characteristics: Digital control, non-volatile memory, low power consumption.
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides a digitally controlled variable resistor function.
• Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier and order size.

Specifications

• Resistance Value: 10 kΩ
• Number of Channels: Dual-channel
• Interface Type: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Resolution: 8-bit

Detailed Pin Configuration

The MCP4252T-103E/UN features an 8-pin SOIC package with the following pin configuration: 1. VSS (Ground) 2. Terminal A Wiper 3. Terminal A 4. VDD (Power Supply) 5. Terminal B 6. Terminal B Wiper 7. CS (Chip Select) 8. SCK (Serial Clock)

Functional Features

• Digital Control: Allows precise adjustment of resistance using digital signals.
• Non-Volatile Memory: Retains settings even when power is removed.
• Low Power Consumption: Suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Precise and repeatable resistance adjustments.
• Non-volatile memory ensures retention of settings.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited resolution compared to higher bit digital potentiometers.
• Susceptible to electromagnetic interference in certain environments.

Working Principles

The MCP4252T-103E/UN operates by utilizing digital control signals to adjust the resistance between its terminals. The internal non-volatile memory ensures that the resistance settings are retained even when the power is turned off, making it suitable for applications requiring consistent settings across power cycles.

Detailed Application Field Plans

The MCP4252T-103E/UN finds extensive use in various electronic systems and devices, including: - Audio Equipment: Volume control, tone adjustment. - Instrumentation: Calibration, signal conditioning. - Industrial Control Systems: Variable speed drives, motor control. - Consumer Electronics: Display brightness control, power management.

Detailed and Complete Alternative Models

• MCP4261: 7-bit resolution digital potentiometer.
• MCP4131: Single-channel 8-bit digital potentiometer.
• AD8403: 4-channel digital potentiometer with 256-tap resolution.

In conclusion, the MCP4252T-103E/UN digital potentiometer offers precise digital control, non-volatile memory, and low power consumption, making it suitable for a wide range of applications in the field of electronics.

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